Upper body exercise device



FIG. 1 is a perspective view of the topside of an upper body exercise device;

FIG. 2 is a side elevation view thereof;

FIG. 3 is an end elevation view thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

The broken lines illustrate portions of the upper body exercise device which form no part of the claimed design. 

The ornamental design for an upper body exercise device, as shown and described. 